Base | Representation |
---|---|
bin | 11101011010010100010… |
… | …000100111001111010000 |
3 | 21011012212110122020110222 |
4 | 131122110100213033100 |
5 | 231103224213341422 |
6 | 4144253551012212 |
7 | 266010200434220 |
oct | 35322420471720 |
9 | 7135773566428 |
10 | 2021122012112 |
11 | 70a17575a145 |
12 | 28785980a068 |
13 | 11878b528ba8 |
14 | 6db73ba4080 |
15 | 378924cb842 |
hex | 1d6944273d0 |
2021122012112 has 40 divisors (see below), whose sum is σ = 4584496281792. Its totient is φ = 845068435200.
The previous prime is 2021122012109. The next prime is 2021122012229. The reversal of 2021122012112 is 2112102211202.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220065314 + ... + 220074497.
Almost surely, 22021122012112 is an apocalyptic number.
It is an amenable number.
2021122012112 is an abundant number, since it is smaller than the sum of its proper divisors (2563374269680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021122012112 is a wasteful number, since it uses less digits than its factorization.
2021122012112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440139867 (or 440139861 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 2021122012112 its reverse (2112102211202), we get a palindrome (4133224223314).
The spelling of 2021122012112 in words is "two trillion, twenty-one billion, one hundred twenty-two million, twelve thousand, one hundred twelve".
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